If `10^(6)` electrons/s are flowing through an area of cross section of `10^(-4) m^(2)` then the current will be:-

If 2 ×10^(6) electrons/s are flowing through an area of cross section of 10^(-4) m^(2) then the current will be:-

If 2×10^(6) electrons/s are flowing through an area of cross section of 2×10^(-4) m^(2) then the current will be:-

62.5 xx 10^(18) electrons per second are flowing through a wire of area of cross-section 0.1m^(2) , the value of current flowing wil be

62.5 XX 10^(18) electorns per second are flowing through a wire of area of cross-section 0.1 m^(2) , the value of current flowing will be

If the specific resistance of a potentiometer wire is 10^(-7)Omega m and current flowing through it is 0.1 amp, cross-sectional aea of wire is 10^(-6) m^(2) , then potential gradient will be

What is the potential gradient along a wire having an area of cross-section 4xx10^(-4) m^(2) , if the current flowing through the wire is 0.2 A and its specific resistance is 80xx10^(-6) ohm//m ?

An electron beam has an aperture of 2mm^(2) . A total of 7xx10^(16) electrons flow through any perpendicular cross-section per second. Calculate the current density in the electron beam.

An electron beam has an aperture of 2mm^(2) . A total of 7xx10^(16) electrons flow through any perpendicular cross-section per second. Calculate the current density in the electron beam.

What is the drift velocity of electrons in a copper conductor having a cross-sectional area of 5xx10^(-6) m^(2) if the current is 10 A. Assume there are 8.0xx10^(28) "electrons"//m^(3) .